EP1176754A3 - Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur - Google Patents
Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur Download PDFInfo
- Publication number
- EP1176754A3 EP1176754A3 EP01305998A EP01305998A EP1176754A3 EP 1176754 A3 EP1176754 A3 EP 1176754A3 EP 01305998 A EP01305998 A EP 01305998A EP 01305998 A EP01305998 A EP 01305998A EP 1176754 A3 EP1176754 A3 EP 1176754A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- data
- ciphered
- contents
- keys
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
- G11B20/00507—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
- G11B20/00536—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000222122 | 2000-07-24 | ||
JP2000222122 | 2000-07-24 | ||
JP2000247460A JP2002108710A (ja) | 2000-07-24 | 2000-08-17 | 情報処理システム、情報処理方法、および情報処理装置、並びにプログラム提供媒体 |
JP2000247460 | 2000-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1176754A2 EP1176754A2 (fr) | 2002-01-30 |
EP1176754A3 true EP1176754A3 (fr) | 2004-12-01 |
Family
ID=26596528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01305998A Withdrawn EP1176754A3 (fr) | 2000-07-24 | 2001-07-12 | Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur |
Country Status (8)
Country | Link |
---|---|
US (1) | US7131010B2 (fr) |
EP (1) | EP1176754A3 (fr) |
JP (1) | JP2002108710A (fr) |
KR (1) | KR100843942B1 (fr) |
CN (2) | CN1953365B (fr) |
HK (1) | HK1046742A1 (fr) |
SG (1) | SG108264A1 (fr) |
TW (1) | TW538360B (fr) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3587143B2 (ja) * | 2000-08-24 | 2004-11-10 | 日本電信電話株式会社 | 情報利用制御方法、装置及びそのプログラムを記録した記録媒体 |
TWI222583B (en) * | 2001-04-13 | 2004-10-21 | Matsushita Electric Ind Co Ltd | Contents recording/duplicating device and recording media storing program for recording/duplicating contents |
WO2003073295A1 (fr) * | 2002-02-27 | 2003-09-04 | Matsushita Electric Industrial Co., Ltd. | Dispositif hote |
WO2003084166A1 (fr) * | 2002-03-27 | 2003-10-09 | British Telecommunications Public Limited Company | Protocole de gestion de cles |
JP4391056B2 (ja) * | 2002-04-15 | 2009-12-24 | ソニー株式会社 | 情報管理装置および方法、記録媒体、並びにプログラム |
EP1459317A2 (fr) * | 2002-09-03 | 2004-09-22 | Matsushita Electric Industrial Co., Ltd. | Systeme de lecture restrictive de regions |
KR100924773B1 (ko) * | 2002-09-16 | 2009-11-03 | 삼성전자주식회사 | 메타데이터 암호화 및 복호화 방법과 암호화된 메타데이터관리 방법 및 그 시스템 |
EP1593229B1 (fr) * | 2003-01-15 | 2010-10-13 | Panasonic Corporation | Systeme de protection de contenu, appareil terminal, méthode d'appareil terminal et support d'enregistrement |
ES2352052T3 (es) * | 2003-01-15 | 2011-02-15 | Panasonic Corporation | Sistema de protección de contenido, aparato terminal, método del aparato terminal y soporte de registro. |
US7379548B2 (en) * | 2003-01-31 | 2008-05-27 | Nds Limited | Virtual smart card device, method and system |
US8261063B2 (en) * | 2003-02-03 | 2012-09-04 | Hewlett-Packard Development Company, L.P. | Method and apparatus for managing a hierarchy of nodes |
JP2005018378A (ja) * | 2003-06-25 | 2005-01-20 | Sony Corp | 情報サーバ、情報機器、情報処理システム、情報処理方法および情報処理プログラム |
JP4239741B2 (ja) * | 2003-07-30 | 2009-03-18 | ソニー株式会社 | 情報記録媒体製造管理システム、情報処理装置、および方法、並びにコンピュータ・プログラム |
GB2404538A (en) * | 2003-07-31 | 2005-02-02 | Sony Uk Ltd | Access control for digital content |
EP1505476A3 (fr) * | 2003-08-06 | 2010-06-30 | Yamaha Corporation | Procédé pour l'encastrement d'un code d'identification permanent dans des dispositifs musicaux |
CN100571132C (zh) | 2004-03-22 | 2009-12-16 | 国际商业机器公司 | 多密钥内容处理***和方法 |
US20050273629A1 (en) * | 2004-06-04 | 2005-12-08 | Vitalsource Technologies | System, method and computer program product for providing digital rights management of protected content |
JPWO2006001268A1 (ja) * | 2004-06-25 | 2008-04-17 | 株式会社ジャストシステム | 文書処理装置、文書閲覧装置および文書処理方法 |
WO2006003883A1 (fr) * | 2004-06-30 | 2006-01-12 | Matsushita Electric Industrial Co., Ltd. | Support d’enregistrement, et dispositif et procede pour enregistrer des informations sur un support d’enregistrement |
KR100636150B1 (ko) * | 2004-07-01 | 2006-10-19 | 삼성전자주식회사 | 암호화 모듈을 포함하는 멀티미디어 장치 |
JP4266897B2 (ja) * | 2004-08-06 | 2009-05-20 | オリンパス株式会社 | ライセンス管理システム、ライセンス管理方法、ライセンス管理サーバ、及びライセンス管理ソフトウェア |
US7966662B2 (en) * | 2004-09-02 | 2011-06-21 | Qualcomm Incorporated | Method and system for managing authentication and payment for use of broadcast material |
WO2006033154A1 (fr) | 2004-09-24 | 2006-03-30 | Fujitsu Limited | Programme de distribution de contenu |
US9031898B2 (en) * | 2004-09-27 | 2015-05-12 | Google Inc. | Presentation of search results based on document structure |
CA2584525C (fr) | 2004-10-25 | 2012-09-25 | Rick L. Orsini | Systeme analyseur syntaxique de donnees securise et procede correspondant |
JP4452702B2 (ja) * | 2006-06-21 | 2010-04-21 | 株式会社日立国際電気 | 映像配信システム |
US20100027790A1 (en) * | 2007-12-20 | 2010-02-04 | Balaji Vembu | Methods for authenticating a hardware device and providing a secure channel to deliver data |
JP2009258860A (ja) * | 2008-04-14 | 2009-11-05 | Sony Corp | 情報処理装置および方法、記録媒体、プログラム、並びに情報処理システム |
JP4704455B2 (ja) * | 2008-09-09 | 2011-06-15 | 株式会社コナミデジタルエンタテインメント | 稼働状態管理システム並びにこれを構成するゲーム装置及び管理装置 |
US8817985B2 (en) * | 2009-06-23 | 2014-08-26 | Panasonic Corporation | Encryption key distribution system |
KR101133988B1 (ko) * | 2010-04-23 | 2012-04-05 | 한국과학기술원 | 해쉬 트리 기반의 스트림 암호화 및 복호화 방법과 암호 파일 시스템 |
US8856530B2 (en) | 2011-09-21 | 2014-10-07 | Onyx Privacy, Inc. | Data storage incorporating cryptographically enhanced data protection |
CN103036853B (zh) * | 2011-09-30 | 2016-01-27 | ***通信集团公司 | 业务数据发送方法及装置、业务处理方法及装置 |
CN105051750B (zh) | 2013-02-13 | 2018-02-23 | 安全第一公司 | 用于加密文件***层的***和方法 |
US9063916B2 (en) * | 2013-02-27 | 2015-06-23 | Oracle International Corporation | Compact encoding of node locations |
CN103929301A (zh) * | 2014-05-07 | 2014-07-16 | 中国科学院微电子研究所 | 真随机数生成方法、装置及电力设备 |
US11252190B1 (en) | 2015-04-23 | 2022-02-15 | Amazon Technologies, Inc. | Limited access policy bypass |
US20170372085A1 (en) * | 2016-06-28 | 2017-12-28 | HGST Netherlands B.V. | Protecting data in a storage device |
US11113408B2 (en) * | 2018-08-20 | 2021-09-07 | Hewlett Packard Enterprise Development Lp | Providing a secure object store using a hierarchical key system |
CN111600948B (zh) * | 2020-05-14 | 2022-11-18 | 北京安御道合科技有限公司 | 基于标识密码的云平台应用和数据安全处理方法、***、存储介质、程序 |
KR102496011B1 (ko) * | 2021-01-04 | 2023-02-06 | 서울시립대학교 산학협력단 | 코드 밀도를 조절하는 데이터 스크램블링 방법 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US5787175A (en) * | 1995-10-23 | 1998-07-28 | Novell, Inc. | Method and apparatus for collaborative document control |
JPH1115373A (ja) * | 1997-06-20 | 1999-01-22 | Fuji Xerox Co Ltd | 公開鍵暗号方式 |
US5953419A (en) * | 1996-05-06 | 1999-09-14 | Symantec Corporation | Cryptographic file labeling system for supporting secured access by multiple users |
WO2000031744A1 (fr) * | 1998-11-19 | 2000-06-02 | Memory Corporation Technology Limited | Gestion de la copie pour systemes de donnees |
WO2000039800A1 (fr) * | 1998-12-25 | 2000-07-06 | Sony Corporation | Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes |
EP1058257A1 (fr) * | 1998-12-25 | 2000-12-06 | Sony Corporation | Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes |
EP1228407A2 (fr) * | 1999-06-08 | 2002-08-07 | QinetiQ Limited | Controle d'acces dans un environnement web |
Family Cites Families (15)
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US4386234A (en) * | 1977-12-05 | 1983-05-31 | International Business Machines Corp. | Cryptographic communication and file security using terminals |
US4888802A (en) | 1988-06-17 | 1989-12-19 | Ncr Corporation | System and method for providing for secure encryptor key management |
US5231666A (en) | 1992-04-20 | 1993-07-27 | International Business Machines Corporation | Cryptographic method for updating financial records |
FI93280C (fi) | 1993-04-05 | 1995-03-10 | Icl Personal Systems Oy | Järjestely datan tallentamiseksi tietokonelaitteistossa |
US5357932A (en) * | 1993-04-08 | 1994-10-25 | Ford Motor Company | Fuel control method and system for engine with variable cam timing |
JPH0855164A (ja) | 1994-08-10 | 1996-02-27 | Fujitsu Ltd | ソフトウェア配送システム、中継装置およびユーザ端末装置 |
MY125706A (en) * | 1994-08-19 | 2006-08-30 | Thomson Consumer Electronics | High speed signal processing smart card |
US5850444A (en) | 1996-09-09 | 1998-12-15 | Telefonaktienbolaget L/M Ericsson (Publ) | Method and apparatus for encrypting radio traffic in a telecommunications network |
DE69733986T2 (de) * | 1996-10-31 | 2006-01-26 | Matsushita Electric Industrial Co., Ltd., Kadoma | Vorrichtung zur verschlüsselten Kommunikation mit beschränkten Schaden bei Bekanntwerden eines Geheimschlüssels |
US5999623A (en) * | 1997-11-05 | 1999-12-07 | Globalstar L.P. | Broadcast data access controller communication system |
JPH11187013A (ja) * | 1997-12-24 | 1999-07-09 | Ibm Japan Ltd | 暗号鍵配信システム |
US6049878A (en) * | 1998-01-20 | 2000-04-11 | Sun Microsystems, Inc. | Efficient, secure multicasting with global knowledge |
US6118873A (en) * | 1998-04-24 | 2000-09-12 | International Business Machines Corporation | System for encrypting broadcast programs in the presence of compromised receiver devices |
JP3823634B2 (ja) * | 1998-12-04 | 2006-09-20 | 日本ビクター株式会社 | エンコード装置、デコード装置及び通信方法 |
US6597891B2 (en) * | 1999-04-05 | 2003-07-22 | International Business Machines Corporation | Combining online browsing and on-demand data broadcast for selecting and downloading digital content |
-
2000
- 2000-08-17 JP JP2000247460A patent/JP2002108710A/ja active Pending
-
2001
- 2001-07-11 TW TW090116923A patent/TW538360B/zh not_active IP Right Cessation
- 2001-07-12 EP EP01305998A patent/EP1176754A3/fr not_active Withdrawn
- 2001-07-20 US US09/910,368 patent/US7131010B2/en not_active Expired - Lifetime
- 2001-07-23 SG SG200104476A patent/SG108264A1/en unknown
- 2001-07-23 KR KR1020010044194A patent/KR100843942B1/ko not_active IP Right Cessation
- 2001-07-24 CN CN2005100996634A patent/CN1953365B/zh not_active Expired - Fee Related
- 2001-07-24 CN CNB011407743A patent/CN1248142C/zh not_active Expired - Fee Related
-
2002
- 2002-09-05 HK HK02106554A patent/HK1046742A1/xx not_active IP Right Cessation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5787175A (en) * | 1995-10-23 | 1998-07-28 | Novell, Inc. | Method and apparatus for collaborative document control |
US5953419A (en) * | 1996-05-06 | 1999-09-14 | Symantec Corporation | Cryptographic file labeling system for supporting secured access by multiple users |
JPH1115373A (ja) * | 1997-06-20 | 1999-01-22 | Fuji Xerox Co Ltd | 公開鍵暗号方式 |
US6530020B1 (en) * | 1997-06-20 | 2003-03-04 | Fuji Xerox Co., Ltd. | Group oriented public key encryption and key management system |
WO2000031744A1 (fr) * | 1998-11-19 | 2000-06-02 | Memory Corporation Technology Limited | Gestion de la copie pour systemes de donnees |
WO2000039800A1 (fr) * | 1998-12-25 | 2000-07-06 | Sony Corporation | Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes |
EP1058257A1 (fr) * | 1998-12-25 | 2000-12-06 | Sony Corporation | Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes |
EP1228407A2 (fr) * | 1999-06-08 | 2002-08-07 | QinetiQ Limited | Controle d'acces dans un environnement web |
Non-Patent Citations (1)
Title |
---|
WALDVOGEL M ET AL: "THE VERSAKEY FRAMEWORK: VERSATILE GROUP KEY MANAGEMENT", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE INC. NEW YORK, US, vol. 17, no. 9, September 1999 (1999-09-01), pages 1614 - 1631, XP002941560, ISSN: 0733-8716 * |
Also Published As
Publication number | Publication date |
---|---|
KR20020009464A (ko) | 2002-02-01 |
TW538360B (en) | 2003-06-21 |
HK1046742A1 (en) | 2003-01-24 |
KR100843942B1 (ko) | 2008-07-03 |
SG108264A1 (en) | 2005-01-28 |
CN1248142C (zh) | 2006-03-29 |
JP2002108710A (ja) | 2002-04-12 |
EP1176754A2 (fr) | 2002-01-30 |
US20020116622A1 (en) | 2002-08-22 |
CN1338698A (zh) | 2002-03-06 |
US7131010B2 (en) | 2006-10-31 |
CN1953365B (zh) | 2011-11-09 |
CN1953365A (zh) | 2007-04-25 |
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